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Taya2010 [7]
3 years ago
9

3 What is the y-intercept of the line with the equation Y = 1/2 - x - 3?

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
8 0

Answer:

<h2>a. -3</h2>

Step-by-step explanation:

Given Equation :

y =  \frac{1}{2} x - 3

Which is in slope intercept form :

y = mx + b

Where :

m = slope

b = y-intercept.

Thus , in the given Equation , the y-intercept is -3

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Answer:

B. 40 meters

Step-by-step explanation:

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The rectangle enclosing the path has sides of length 9 m and 14 m, so its perimeter is 2(9+14) = 46 m. The distance covered will be shorter than that.

The distance from A to C is longer than the distance from D to C, so we know the distance will be longer than 2·14+9 = 37 m.

Only one answer choice fits in the range 37 < d < 46.

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The distance from B to C is the hypotenuse of a right triangle with sides 9 and 12. You will recognize that these side lengths are 3 times the side lengths of a 3-4-5 right triangle, so the hypotenuse distance is 3·5 = 15 meters.

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3 years ago
​2+(y​5x)
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2 years ago
Question:
faltersainse [42]

Answer:

The probability that a ship that is declared defecive is sound is 0.375

Step-by-step explanation:

Let P(A|B) denote the conditional probability of A given B. We will make use of the equation

P(A|B) = P(A) × P(B|A) / P(B)

We have the probabilities:

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  • P(Declared Defective |Sound) = 1-0.97=0.03
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We can calculate:

P(Declared Defective)= P(Detected | Defective)×P(Defective) + P(Declared Defective |Sound) ×P(Sound) = 0.95×0.05 + 0.03×0.95=0.076

P(S | Declared Defective) =

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3 0
2 years ago
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